Home / 920,159.01-1,380,520.22-471,197.77

Finding the Fourth Proportional to 920,159.01, 1,380,520.22 and 471,197.77

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Solution

The fourth proportional to 920,159.01, 1,380,520.22 and 471,197.77 is: 706,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,159.01 : 1,380,520.22 = 471,197.77 : x
  2. Step 2: Convert to fraction form
    920,159.01/1,380,520.22 = 471,197.77/x
  3. Step 3: Cross multiply
    920,159.01x = 1,380,520.22 × 471,197.77
  4. Step 4: Simplify right side
    920,159.01x = 650,498,043,296.62
  5. Step 5: Solve for x
    x = 650,498,043,296.62/920,159.01
  6. Step 6: Final answer
    x = 706,940.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.